Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September signals a subtle shift in temperature, down from a comfortable 19.4°C (66.9°F) in August to a still refreshing 15.2°C (59.4°F). Trollharen anticipates an average minimum temperature of 9.8°C (49.6°F) in the month of September.Humidity
In September, the average relative humidity in Trollharen is 78%.Rainfall
In September, the rain falls for 11.6 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Trollharen, during the entire year, the rain falls for 122.7 days and collects up to 356mm (14.02") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Trollharen, the average length of the day in September is 12h and 54min.On the first day of the month, sunrise is at 05:44 and sunset at 19:57. On the last day of September, in Trollharen, sunrise is at 06:56 and sunset at 18:25 CEST.
Sunshine
In Trollharen, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index in Trollharen, Sweden, is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Trollharen?
What is the average humidity in September in Trollharen?
How much does it rain in Trollharen in September?
When it does not snow in Trollharen?
Does it snow in Trollharen in September?
What is the average length of the day in September in Trollharen?
When is the sunrise / sunset in September in Trollharen?
How long on average sun shines in September in Trollharen?
What is the UV index reading in September in Trollharen?
Average temperature in September
Trollharen, Sweden
- Average high temperature in September: 15.2°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is July (13.1°C).
The coldest month (with the lowest average low temperature) is February (-4.2°C).
Average pressure in September
Trollharen, Sweden
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1006.4mbar).
Average wind speed in September
Trollharen, Sweden
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is December (16.3km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in September
Trollharen, Sweden
- Average humidity in September: 78%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are May and June (70%).
Average rainfall in September
Trollharen, Sweden
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Trollharen, Sweden
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Trollharen, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (113mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Trollharen, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Trollharen, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in September
Trollharen, Sweden
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is February (12.9 days).
Average UV index in September
Trollharen, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Trollharen, Sweden
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Trollharen, Sweden
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are February and March (8km).
Trollharen, Sweden
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